package Lab02.test11;
public class Rectangle  implements Printx{
    //矩形类
    double a,b;
    Rectangle(double a,double b){
        this.a=a;
        this.b=b;
    }
    public double getArea(){
        return a*b;
    }
    public double getLength(){
        return (a+b)*2.0;
    }
    @Override
    public void printMyWay() {
            System.out.println("该矩形的长a="+a+"宽b="+b);
            System.out.println("面积s="+getArea()); System.out.println("周长l="+getLength()); }
    }


